Anemia happens when your blood doesn’t carry enough oxygen to your body — usually because your blood isn’t making enough healthy red blood cells. Although anyone can get anemia, it’s more common in ...

Pernicious anemia is an autoimmune condition in which the body cannot absorb vitamin B12 properly. A person with pernicious anemia requires lifelong vitamin B12 supplementation. Vitamin B12 is ...

A person with anemia of chronic disease has decreased red blood cells despite having “normal” or increased iron stores in their body. It can occur in people with underlying inflammatory conditions, ...

Anemia is a common complication of HIV. There are numerous possible causes, including HIV itself, related infections, and some HIV medications. Taking certain medications and adjusting nutrition may ...

Medically reviewed by Oliver Eng, MDKey TakeawaysBlood cancers like leukemia hinder the production of red blood cells, ...

Anemia is a common condition in kids, affecting almost 5% of children aged 2–11 years in the U.S. Anemia occurs when a child doesn’t have enough red blood cells or hemoglobin (a type of protein that ...

Anemia can be caused by other conditions and diseases. You might have an iron deficiency or a lack of hemoglobin. You might have a simple vitamin deficiency. If you don’t have enough vitamin B12, your ...

Microcytic anemia is a blood disorder in which the red blood cells are too small due to a lack of hemoglobin. Hemoglobin, an iron-rich protein, binds to oxygen, delivering it throughout the body. With ...

Sickle cell anemia (SCA) is an inherited disorder of red blood cells. Some parents may learn that their infant has this disorder after prenatal testing. Hospitals also test for SCA after birth as part ...

With the skyrocketing popularity of GLP-1 RAs, some lesser-known side effects, including anemia, are coming to light.

Anemia is the most common blood disorder, affecting more than three million people in the United States. If you have anemia, your blood does not have enough healthy red blood cells to carry oxygen to ...